#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
using namespace std;

class Base
{
public:
	Base();
	~Base();

private:

};

Base::Base()
{
}

Base::~Base()
{
}

class Son
{
public:
	Son();
	~Son();

private:

};

Son::Son()
{
}

Son::~Son()
{
}
